在确定急性上消化道出血的原因时不合适的检查是（）
A．急诊胃镜
B．急诊X线钡剂造影检查
C．血常规
D．肝、肾功能检查
E．腹部B超
参考答案：E
下列肝移植的血管并发症中，预后最差的是（）
A.肝动脉血栓形成
B.门静脉血栓
C.下腔静脉狭窄
D.门静脉狭窄
E.肝静脉狭窄
— Peter didn't come to the meeting this morning.
—I _____ him yesterday, but I was too busy and forgot it. [ ]
A. should tell
B. should have told
C. had to tell
D. had told
